Settings: Include company logo
You can choose to make your company logo visible in the header of a shared report.
Before you arrange this, you must have set a company logo for your account. You can do/check this via Account settings > Company Settings > Upload logo. Note that you must have admin rights for the account to change this setting.
To make your logo visible in the header of a shared report, access the desired report and click SHARE > Settings icon ⚙ > Include company logo.